Basic Chemistry Part One

 

Define the following terms. (Pre-Quiz)

 

1) Matter

            Solid,

Liquid

Gas

2) Atom

            Proton

Neutron

Electron

3) Element –

            Isotopes

4) Electron configuration (shell)–

5) Metal –

6) Nonmetal –

7) Molecule –

8) Oxidation State

9) Ion -

Study the periodic table of the elements and clarify the following vocabulary items.

Period

Group

Representative Metals

Transition Metals

Metalloids  (Semiconductors)

Inner Transition Metals (Rare Earth Metals)

Non-metals

Noble Gases,

Halogens

Follow-up questions Basic Chemistry Part One

 

1)      How many outer shell electrons are found in an atom of

      (a) oxygen

      (b) calcium

      (c) aluminum

 

2)      Is sodium a metal, nonmetal, or semiconductor?

                  What is the charge on sodium ion?

 

3)      Is iodine a metal, nonmetal, or semiconductor?

                  What is the charge on an iodine ion?

 

4)      How many protons (p), neutrons(n) and electrons(e) are in the following atoms?  To determine the number of neutrons, assume that the isotope you are working with is the one whose mass number is closest to the atomic weight of the element.

 

                  Silicon:    p = ____,   n = _____,  e = ______ 

                 

                  Iron:        p = ____,   n = _____,  e = ______

     

                  Silver:      p = ____,   n = _____,  e = ______

 

5) Predict the group or family for the following ions:

      a) anions whose charge is -1     _____________

      b) cations whose charge is +2  _____________

      c) cations whose charge is +3   _____________

      d) anions whose charge is -3                 _____________

e) cations whose charge is +1               _____________